Hi‑Res Audio + LDAC: Equipped with 40 mm DLC dynamic drivers that support Hi‑Res Audio and LDAC codec, delivering a frequency response up to 40 kHz for deep bass impact and crystal‑clear highs.
QuietMax Hybrid Noise‑Cancelling: Proprietary QuietMax™ technology achieves over 42 dB of noise reduction, combined with AI‑enhanced microphones that isolate voice during calls for superior clarity.
Ultra‑Long Battery Life: A 720 mAh internal battery provides up to 100 hours of playback (Pro HQ51) or 70 hours (standard model) with ANC off, and still maintains 65 hours/50 hours with ANC on. Fast USB‑C charging restores full power in just 80 minutes.
Lightweight Comfort: Weighing only 246 g, the headphones feature protein‑leather ear cushions and an adjustable headband, ensuring no pressure even during extended wear—ideal for travel and office use.
Multi‑Protocol & Custom EQ: Supports Bluetooth 5.4 (Pro) / 5.0 (standard), compatible with SBC, AAC, and LDAC codecs. The 1MORE app offers 12 preset EQ modes plus fully customizable equalizer settings.
Main Specifications (example: 1more sonoflow pro hq51

Dimensions / Weight: 170 × 192 × 82 mm, 246 g
Battery Capacity: 720 mAh, 80‑minute fast charge
Battery Life: 100 h (ANC off) / 65 h (ANC on)
Bluetooth: 5.4, up to ~10 m range in open space
Drivers: 40 mm DLC dynamic, 32 Ω impedance
Supported Codecs: SBC, AAC, LDAC; Hi‑Res Audio certified
Operating Temperature: 0 °C – 45 °C; Frequency band 2.400 – 2.4835 GHz